Cemented DoubletsClick part # for details or to add to shopping cart.
Specifications
EFL (mm): 27.7
Major Dia: 15.0
ET: 10.2
Glass Type Code: A
R1: 26.48
V1H1: 3.3
CT Lens 1: 6.5
V2H2: -2.5
R2: -9.59
FF: 24.4
CT Lens 2: 2.0
A: 25.5
R3: -20.25
BF: 25.2
D: 26.6
The classic structure of a doublet combines a positively powered crown element with a negatively powered flint element. They deliver high performance when the application involves small fields of view, typically up to 6 degrees. Their image quality surpasses that of singlets.